Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Lacerta » 


Altitude: 11.5°   Azimuth: 350.9°   Direction: North

HR8575 is a variable and double giant star in the constellation of Lacerta.

HR8575 visual magnitude is 6.4. Because of its reltive faintness, HR8575 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8575:


HR8575 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.5°
Azimuth: 350.9°
Direction: North

Celestial coordinates and finder chart of HR8575

HR8575 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8575 are provided in the following table:

22h 30m 06s
+49° 21’ 21”

The simplified sky map below shows the position of HR8575 in the sky:

Finder chart HR8575 star
Simplified finder chart for HR8575.

Visibility of HR8575 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR8575 is circumpolar and transits at 05:32 UTC (altitude: 87.9°)

Digitized Sky Survey image of HR8575

The image below is a photograph of HR8575 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8575 is -0.024 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8575 star
DSS2 image of HR8575. The red arrow shows the motion of HR8575 during the next 10000 years (-4.00 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of HR8575 from the Sun and relative movement

HR8575 is distant 398.53 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

122.25 pc
398.53 ly
4 km/s
-0.024 arcsec/year
-0.043 arcsec/year

Spectral properties of HR8575

HR8575 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR8575 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8575. Attribution: Richard Powell / CC BY-SA

HR8575 star system properties

HR8575 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR8575 double sysyem:

66 arcsec

Alternative designations of HR8575